Agilent Technologies X Series Programmer's Manual page 57

Example
Preset
Min
Max
SCPI Status Bits/OPC
Dependencies
Questionable Frequency Event Query This query returns the decimal value of the sum of
the bits in the Questionable Frequency Event register.
The register requires that the associated PTR or NTR filters be set
NOTE
before a condition register bit can set a bit in the event register. The
data in this register is latched until it is queried. Once queried, the
register is cleared.
Mode
Remote Command
Example
Preset
SCPI Status Bits/OPC
Dependencies
Questionable Frequency Negative Transition This command determines which bits in the
Questionable Frequency Condition register will set the corresponding bit in the
Questionable Frequency Event register when the condition register bit has a negative
transition (1 to 0). The variable <integer> is the sum of the decimal values of the bits that
you want to enable.
Mode
Remote Command
Example
Preset
Min
Chapter 1
STAT:QUES:FREQ:ENAB 2 Frequency Reference Unlocked
is reported to the Frequency Summary of the Status
Questionable register.
32767
0
32767
Sequential command
All
:STATus:QUEStionable:FREQuency[:EVENt]?
STAT:QUES:FREQ?
0
Sequential command
All
:STATus:QUEStionable:FREQuency:NTRansition
<integer>
:STATus:QUEStionable:FREQuency:NTRansition?
STAT:QUES:FREQ:NTR 2 Frequency Reference 'regained
lock' will be reported to the Frequency Summary of the Status
Questionable register.
0
0
Introduction to Programming X-Series Applications
STATus Subsystem (Remote Only Commands)
57